Is $2,500 to install a walkable pvc membrane (duradek/dec-tec) a fair price?
Project Details
I'm dealing with a leaking second-floor balcony in Rainy Pacific Northwest. It’s a tiny space (about 50-60 sq ft) situated directly above a living area. The water is currently getting behind the ledger and down into the wall cavity. My exterior repairman currently have the siding removed, so the wall cavity is open and ready for proper deck-to-wall flashing.
Quote Details
A single-layer, heat-welded sheet membrane installation for a 50-60 sq ft balcony. - Heat-welded sheet membrane application - Labor cost: $1,200 - $1,800 - Materials cost: ~$700 (homeowner supplied)
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More Details
Category
Decking
Price
$2,500
Quote Date
April 17, 2026
Location
Washington
Square footage
55
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